Narrow Linewidth Opo Light Source For Precision Spectroscopy

Cheng, Cunfeng

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https://hdl.handle.net/2142/111014 Copy

Description

Title

Narrow Linewidth Opo Light Source For Precision Spectroscopy

Author(s)

Cheng, Cunfeng

Contributor(s)

• Hu, Shui-Ming
• Sun, Yu Robert
• Zhang, Zitan

Issue Date

2021-06-23

Keyword(s)

Mini-symposium: Precision Spectroscopy for Fundamental Physics

Abstract

Precision spectroscopy of fundamental bands of molecules in the mid-infrared (MIR) region is of great interest in applications of trace detection and testing fundamental physics, where high-power and narrow-linewidth MIR lasers are needed. By controlling the phase noise of the signal and pump light of a continuous wave optical parametric oscillator (OPO), we established a broadly tunable MIR light source which has an output power of several hundred milliwatts and a linewidth of a few tens kilohertz. The long term frequency drift of the MIR laser was reduced and calibrated utilizing a near-infrared optical frequency comb. The performance of the light source was investigated and the laser system will be used for precision measurement of fundamental vibration of HD.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

Text

Language

eng

Permalink

http://hdl.handle.net/2142/111014

DOI

10.15278/isms.2021.WI11

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